dart-sdk/tests/corelib_2/reg_exp5_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Commit-Queue: Leaf Petersen <leafp@google.com>
2021-04-26 17:58:57 +00:00

27 lines
810 B
Dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// Dart test for testing regular expressions in Dart.
// @dart = 2.9
import "package:expect/expect.dart";
main() {
String str = "";
try {
RegExp ex = new RegExp(str);
} catch (e) {
if (!(e is ArgumentError)) {
Expect.fail("Expected: ArgumentError got: ${e}");
}
}
Expect.isFalse(new RegExp(r"^\w+$").hasMatch(str));
Match fm = new RegExp(r"^\w+$").firstMatch(str);
Expect.equals(null, fm);
Iterable<Match> am = new RegExp(r"^\w+$").allMatches(str);
Expect.isFalse(am.iterator.moveNext());
Expect.equals(null, new RegExp(r"^\w+$").stringMatch(str));
}